Semi-synchronous receiver and apparatus for reading information

Device for converting a transmitted signal into a digital signal

Optical disc having uniform structure

Method and apparatus for decoding encoded data around a linking area on an optical storage medium

Optical disk reproducing device selectively using a channel bit frequency or a frequency that is half of the channel bit frequency

Optical disk reproducing device that demodulates digital data by switching between a channel bit frequency and a frequency that is half of the channel bit frequency

Data recording device

Optical disk

Recording clock generation apparatus

Disk recording medium having ID recorded over a circle of a burst cutting area

Optical disk medium

Synchronized signal detector and synchronized signal detecting method

Data decoding method and circuit and information recording and reproducing apparatus using the same

Information recording/reproducing apparatus, and information recording medium

Optical recording apparatus

Magnetic recording medium and magnetic recording/reproducing apparatus

Method and apparatus for recording optical information, and optical disk

Read channel apparatus for an optical storage system

Data reproduction apparatus

Method and apparatus for reproducing information

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

Single PLL demodulation of pre-formatted information embedded in optical recording medium

Data-modulating apparatus, data-modulating method, data-demodulating apparatus, data-demodulating method, and data-providing medium

Optical disk, optical disk recording method and optical disk apparatus

Optical disc recording/playback apparatus

Disk playback apparatus and disk playback method

Method of detecting sync signals

Disk-like recording medium, disk recording apparatus and disk recording method, and disk playback apparatus and disk playback method

Digital data reproducing apparatus and method

Apparatus and method for reading and writing data in recording medium

Information recording method and apparatus, information reproducing method and apparatus, and recording medium

Optical disk device

Optical disk apparatus

Phase difference detection circuit, phase difference detecting method, optical disk drive, and optical disk drive controlling method

Sector based timing recovery for a readback signal

Recording control apparatus, recording and reproduction apparatus, and recording control method

Optical disk medium and method and apparatus for reading information

Information recording medium, information recording apparatus and information reproduction apparatus for the same

Method and apparatus for modulating and demodulating data into a variable length code and a providing medium for implementing the method

System for locking a clock onto the frequency of data recorded on a storage medium

Clock signal generating device and an optical disc apparatus incorporating the device

Signal processing apparatus and method for optical disk system

Record carrier comprising an additional sync-color pattern and method and device for use with such record carrier

Apparatus for controlling an optical disk drive by calculating a target frequency of a DPLL signal

Burst Cutting Area Code Extraction Method and Related Device

Optical disc apparatus

Information carrier and devices for scanning the information carrier

Period determination of a periodic NRZ signal

Apparatus, method and computer product for preventing copy of data

Information recording medium, recording and/or reproducing method, recording and/or reproducing apparatus, and sync detection apparatus

Data recording system with servo pattern having pseudo-random binary sequences

Method for sampling optical disc data and apparatus thereof

Method and apparatus for recording optical information, and optical disk

Optical disk recorder for writing data with variable density

Reduced recovery time for perpendicular recording systems

Read channel apparatus and method for an optical storage system

Method and apparatus for providing write pre-compensation using a read timing path

Phase locked loop for generating an output signal

Method and apparatus for providing write pre-compensation using a read timing path

Method and apparatus for modulating and demodulating data into a variable-length code and providing a sync signal to the train of codes

Information recording and reproducing apparatus

Interference-free LMS-based adaptive asynchronous receiver

Method and apparatus for modulating and demodulating data into a variable-length code and providing a sync signal to the train of codes

Demodulator and address information extractor

Phase-change optical recording medium having first and second track pitches

Reproducing apparatus, reproducing method, and contents recording method

Method and apparatus for modulating and demodulating data into a variable-length code and providing a sync signal to the train of codes

High resolution phase locked loop

Method and apparatus for modulating and demodulating data into a variable-length code and providing a sync signal to the train of codes

Method and apparatus for modulating and demodulating data into a variable-length code and providing a sync signal to the train of codes

Dynamically adjusting sync windows

Method and apparatus for modulating and demodulating data into a variable-length code and providing a sync signal to the train of codes

Wobble signal extracting circuit and optical disk drive

Apparatus and method for reproduction from optical disk

Optical disk apparatus, method of recording information, and information recording medium

Optical disk, optical disk recording method and optical disk apparatus

Method of correcting clock of compact disk and circuit thereof

Optical disc apparatus

Apparatus and method for recording and reproducing ROM and RAM data into magneto-optical recording medium

Writing synchronized data to magnetic tape

Phase difference correction apparatus and data reproduction apparatus including data header detection apparatus

Optical disc controller and optical disc device having the same

Optical disc recording and reproduction apparatus having automatic gate signal generation modes

Data reproduction apparatus and data reproduction method

Optical disc apparatus, clock signal generation method, program, and control apparatus

Disk apparatus and disk reproducing method

Optical disc having uniform structure

Magnetic recording channel utilizing control fields for timing recovery, equalization, amplitude and amplitude asymmetry

Clock recovery system for encoded serial data with simplified logic and jitter tolerance

Method and apparatus for recording optical information including dummy data, and optical disk having such data recorded thereon

Clock signal generation apparatus, apparatus for generating a clock signal using an information recording medium, integrated circuit, clock signal generation method, and method for generating a clock signal using an information recording medium

Demodulator and data recorder containing same

Detector for detecting information carried by a signal having a sawtooth-like shape

Digital automatic gain control of a multilevel optical disc read signal

Optical disk data processing device and data recording/reproduction device having interruption and restart of write processing on the recording medium

Defect handling for recording media

Recording control apparatus, recording and reproduction apparatus, and recording control method

Apparatus and method to read information from a tape storage medium

Determining a location based on a cyclic bit sequence containing consecutively-placed identical bit-groups

A/D converter, digital PLL circuit using the same, and information recording apparatus using the same

Single VCO/loop filter to control a wobble and read circuit of a DVD and/or CD recorder

Optical disk

Optical disk

Detector for detecting information carried by a signal having a sawtooth-like shape

Apparatus for information recording and reproducing

Information recording medium having first data which has been displaced according to second data, and information reproducing apparatus and method

Recording and/or reproducing apparatus, disk manufacturing apparatus, recording and/or reproducing method, disk manufacturing method, and information recording medium using recording and/or reproducing unit blocks having different sizes in different areas

Phase error determination method and digital phase-locked loop system

Playback signal processing apparatus and optical disc device

Synchronization circuit for optical disc apparatus and synchronization method for optical disc apparatus

Frequency detection apparatus and method for generation of a clock signal for optical disc

Disk drive device and address detection method with binarized push-pull signal

Method and apparatus for disc recording

Optical recording method using multiplexer and plural pieces of data bits

Reproduction signal processing apparatus and optical disc player including the same

Method and device for detecting land pre-pits

Codes and techniques for magnetic recording

Systems and methods for controlling an audio signal path using redundant uninterruptable clock